package com.ruoyi.mall.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.core.domain.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.ruoyi.mall.domain.bo.BannerBo;
import com.ruoyi.mall.domain.vo.BannerVo;
import com.ruoyi.mall.domain.Banner;
import com.ruoyi.mall.mapper.BannerMapper;
import com.ruoyi.mall.service.IBannerService;

import java.util.List;
import java.util.Map;
import java.util.Collection;

/**
 * 主页横幅Service业务层处理
 *
 * @author wolong
 * @date 2025-02-16
 */
@RequiredArgsConstructor
@Service
public class BannerServiceImpl implements IBannerService {

    private final BannerMapper baseMapper;

    /**
     * 查询主页横幅
     */
    @Override
    public BannerVo queryById(Long bannerId){
        return baseMapper.selectVoById(bannerId);
    }

    /**
     * 查询主页横幅列表
     */
    @Override
    public TableDataInfo<BannerVo> queryPageList(BannerBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<Banner> lqw = buildQueryWrapper(bo);
        Page<BannerVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        return TableDataInfo.build(result);
    }

    /**
     * 查询主页横幅列表
     */
    @Override
    public List<BannerVo> queryList(BannerBo bo) {
        LambdaQueryWrapper<Banner> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<Banner> buildQueryWrapper(BannerBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<Banner> lqw = Wrappers.lambdaQuery();
        lqw.like(StringUtils.isNotBlank(bo.getName()), Banner::getName, bo.getName());
        lqw.eq(StringUtils.isNotBlank(bo.getImgUrl()), Banner::getImgUrl, bo.getImgUrl());
        lqw.eq(StringUtils.isNotBlank(bo.getFileUrl()), Banner::getFileUrl, bo.getFileUrl());
        lqw.eq(bo.getBannerType() != null, Banner::getBannerType, bo.getBannerType());
        lqw.eq(StringUtils.isNotBlank(bo.getContent()), Banner::getContent, bo.getContent());
        return lqw;
    }

    /**
     * 新增主页横幅
     */
    @Override
    public Boolean insertByBo(BannerBo bo) {
        Banner add = BeanUtil.toBean(bo, Banner.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setBannerId(add.getBannerId());
        }
        return flag;
    }

    /**
     * 修改主页横幅
     */
    @Override
    public Boolean updateByBo(BannerBo bo) {
        Banner update = BeanUtil.toBean(bo, Banner.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(Banner entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 批量删除主页横幅
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteBatchIds(ids) > 0;
    }
}
